A182 F304 / F316 Stainless Flanges Manufacturer & Supplier
Austenitic stainless flanges in the same grade family as the fittings and pipe they join. Solution annealed after forging so the flange arrives in the corrosion resistant condition rather than sensitised from the forging heat.
UNS: ASTM A182 F304 / F316 / F304L / F316L | Category: Stainless Steel Flanges
Size Range
Outer Diameter: NPS 1/2 to 48 · Class 150 to Class 1500 · PN 6 to PN 40
Chemical Composition (%)
| Cr | Ni | Mo | C |
|---|---|---|---|
| 18.0-20.0 (F304) / 16.0-18.0 (F316) | 8.0-11.0 / 10.0-14.0 | — / 2.00-3.00 | 0.08 max (0.030 max for L) |
Mechanical Properties
- Tensile Strength
- 515 MPa min
- Yield Strength
- 205 MPa min
- Elongation
- 30% min
- Hardness
- 187 HBW max
Applicable Standards
- ASME B16.5
- ASME B16.47
- EN 1092-1
- ASTM A105
- EN 10204 3.1
Applications
- Chemical and pharmaceutical flanged joints
- Food and dairy line connections
- Water treatment and RO skid flanges
- Marine and coastal plant joints
- Instrument and sampling connections
Industries Served
- Oil & Gas
- Chemical & Petrochemical
- Power & Energy
- Fertiliser
- Water & Desalination
- Pharmaceutical
Equivalent Grades
- ASTM A182 F304
- ASTM A182 F304
- ASTM A182 F316
- ASTM A182 F316
- 1.4301
- 1.4301
- 1.4401
- 1.4401
- SUS304 / SUS316
- SUS304 / SUS316